The Explosive Collection Tyrone Shoelaces (YouTube) One more important section related to combustion is the "explosive" chemical. Pyrotechnic substances are included even when they do not evolve gases. COMPLETE IN ONE VOLUME PAGES 1-100 COPYRIGHTED AS VOLUME I, 1941 BY TENNEY L. DAVIS View CJC 251 PowerPoints Chapter 10.ppt from CRJ 320 at Strayer University. Explosives are substances that undergo a rapid oxidation reaction with the production of large quantities of gases. The Adobe Flash plugin is needed to view this content.  An explosive material, also called explosive, is 4; Pergamon Press: Oxford, 1984. Blasting Technology - Chemistry of Explosives(3) - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. If the combustion process propagates outward at subsonic speeds (slower than the speed of sound), it's a deflagration. computer models of the detonation chemistry and energy of the reactions) Usually quoted in MJ/kg of explosive AWS of ANFO is 880 cal/g for 94% AN and 6% Fuel Oil Explosive efficiency varies from 35% to … 0.01 0.1 1 10 100 Lower Detection Limit for TNT (ppt) IMS Fluorescent polymers SAW … See our User Agreement and Privacy Policy. University of Engineering and Technology, Lahore, Application of ultrasound in separation process, No public clipboards found for this slide. Chemical Explosives The main purpose of any warhead is to inflict damage on the target. A preferred terrorist explosive – Used in 2000 U.S.S. The other class is potentially explosive chemicals (PECs), which include peroxidizable organic chemicals. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Eaton, P.E. Google Scholar. amount of potential energy that can produce an Download Explosive PowerPoint templates (ppt) and Google Slides themes to create awesome presentations. Get ideas for your own presentations. (1992). View Chemistry Of Explosives PPTs online, safely and virus-free! Review of explosive detection methodologies and the emergence of standoff deep UV resonance Raman Katie L. Gares,† Kyle T. Hufziger,† Sergei V. Bykov and Sanford A. Asher* Due to terrorist use of explosive devices, intense interest has been directed towards the development of techniques and instru- Get the plugin now. Clipping is a handy way to collect important slides you want to go back to later. Higson ** Direct detection of explosives on solid surfaces by mass spectrometry with an ambient ion source based on dielectric barrier discharge Na Na, Chao Zhang, Mengxia Zhao, Sichun Zhang, Chengdui Yang, Xiang Fang, Xinrong Zhang Angriff Press, Hollywood, CA. A chemical explosive is a compound or mixture which, upon the application of heat or shock, decomposes or rearranges with extreme rapidity, yielding much gas and heat. Clipping is a handy way to collect important slides you want to go back to later. This potential energy stored in an explosive material may be chemical energy , pressurized gas or nuclear energy. contribution of explosives in mining industries.ppt - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. INVESTIGATING CHEMISTRY A FORENSIC SCIENCE PERSPECTIVE second edition CHAPTER 10: CHEMISTRY OF EXPLOSIONS This presentation 1. Chemistry of Explosives Explosives are chemical mixtures or compounds that, when subjected to heat, impact, or shock, are capable of undergoing a rapid decomposition that releases heat and gases, which, in turn, expand to form high pressures. material may be chemical energy , pressurized What are the characteristics of explosives? The Chemistry of Powder and Explosives. Firing of the prepared charges were made for each explosive selected. metal fragments are not required in explosives. Any chemical mixtures, compound or device that reacts at high velocities to liberate gas or heat causing high pressure and which can be initiated by a No.8 test blasting cap. gas or nuclear energy. The way the damage is caused may vary with different types of warheads, but in the most general sense, damage is caused by the transfer of energy from the warhead to the target. Primers and initiators are explosives with special properties and some of them can exhibit the characteristics of both high and low-order explosives. Introduction to Explosives: Chemistry & Physics URI CHM 691h: Wednesday 5:30-8:00 pm. Looks like you’ve clipped this slide to already. The explosives tested were produced by a leading Polish industrial explosive company. Introduction Hazard Class (Explosives,Acute Toxicity,…) Hazard Categories (1,2 or Type A,B…) Hazard Subcategories (1A,1B, 2A…) Physical, Health and Environmental hazards are further classified based on hazard severity expressed by numbers and/or letters. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Screening: On-site detection of explosive devices and residues Screening test for explosive trace residues in a post-blast forensic investigation is one of the important strategies for the on-site detection of explosives [40, 41]. causing high pressure and which can be initiated by sound, and pressure. Chemistry of explosives by BME Emeritus Professor of Organic Chemistry Massachusetts Institute of Technology Director of Research and Development National Fireworks, Inc. If you continue browsing the site, you agree to the use of cookies on this website. The first is known explosive chemicals that are designed and produced for use as an explosive (e.g., TNT, explosive bolts, bullets, blasting caps, and fireworks). Under each hazard class there are … Explosive chemistry. Remove this presentation Flag as Inappropriate I Don't Like This I like this Remember as a Favorite. • Unstable explosives †Institute of Chemical Materials, China Academy of Engineering Physics (CAEP), Mianyang 621900, China ‡ Department of Chemistry, University of Idaho, Moscow, Idaho 83844-2343, United States Now customize the name of a clipboard to store your clips. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Introduction An explosive material, also called explosive, is a reactive substance that contains a great amount of potential energy that can produce an explosion if released suddenly, usually accompanied by the production of light, heat, sound, and pressure. See our Privacy Policy and User Agreement for details. This provides an opportunity for identification by gas-phase molecular spectroscopies. Explosive products ppt 1. a No.8 test blasting cap. The Chemistry of Powder and Explosives BY TENNEY L. DAVIS, PH.D. (credits 3) Pastore 234 starting January 24. If you continue browsing the site, you agree to the use of cookies on this website. EXPLOSIVES DEFINITIONS 1. explosive classification preparation application propellents classification of it. Lawrence Livermore National Laboratory, UCRL-52997. Now customize the name of a clipboard to store your clips. University of Rhode Island. If you continue browsing the site, you agree to the use of cookies on this website. An explosive substance is a solid or liquid substance (or mixture of substances) which is in itself capable by chemical reaction of producing gas at such a temperature and pressure and at such a speed as to cause damage to the surroundings. Many are downloadable. anon50056 October 25, 2009 . Under the GHS system, there are seven divisions for explosives. Chemical explosive reaction. I just finished reading about the latest tragic bombings in Baghdad, and I am utterly astonished at the amount of damage an explosive device can do. a reactive substance that contains a great Nitroglycerin . ingredients of the explosive Energy calculated by Thermodynamic Codes (ideal) (i.e. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Looks like you’ve clipped this slide to already.  This potential energy stored in an explosive 2. It seems unnecessary to define an explosion, for everyone knows what it … You can change your ad preferences anytime. Share yours for free! See our Privacy Policy and User Agreement for details. Any chemical mixtures, compound or device that Free + Easy to edit + Professional + Lots backgrounds. Chlorine Trifluoride (ClF3) compounds with a very reactive, explosive yellowish … No comments. Course will begin with the historical development of explosives and include the safe handling of explosives, the kinetics of thermal decomposition, synthesis of explosives, shock phenomena, and explosive performance and safety … Actions. ... (ppt) of the molecular constituents, impurities, or decomposition products. Trace systems: Detect small quantities of explosives that are present on or above the surface of containers due to contamination or vapors penetrating from the bulk explosives. There are two classes of explosive chemicals. reacts at high velocities to liberate gas or heat Deflagration and detonation are two ways energy may be released. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Combustion (burning) is a process by which energy is released. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Cole and 2002 Bali nightclub bombings – Recommended in Al-Qaeda’s traditional curriculum of explosives training – Frequently used in IEDs in Iraq Can only be purchased domestically by legitimate buyers through explosives distributors Google Scholar. Source: * Current trends in explosive detection techniques J. Sarah Caygill, Frank Davis, Seamus P.J. In fact, dynamite, with twice as much power as TNT, is one of the most commonly used explosives in demolition. Dobratz, B.M. Chlorine Trifluoride. See our User Agreement and Privacy Policy. explosive materials as follows: a solid or liquid substance (or mixture of substances) which is in itself capable by chemical reaction of producing gas at such temperature and pressure and at such speed as to cause damage to the surroundings. • Explosives started 6oo-700 years ago. The Forensic Explosives Laboratory supports police investigations into unlawful use of explosives. By Philip Robinson 2015-01-29T00:00:00+00:00. Most of them are high explosives and they are much more sensitive to friction, heat High explosives, by contract, expand as supersonic speeds, thereby creating much more force. If the explosion moves outward at supersonic speeds (faster than the speed of sound), it's a detonation. If you continue browsing the site, you agree to the use of cookies on this website. EXPLOSIVES: Explosives.ppt (Size: 516.5 KB / Downloads: 113) Effects of an Explosion: Blast Pressure At the time of detonation, the gases can rush out at velocities of up to 7,000 mph and can exert pressure of up to 700 tons per square inch. Many substances not ordinarily classed as explosives may do one, or even two, of these things. Nitroglycerin is a chemical explosive that was discovered by Italian chemist Ascanio Sobrero in 1846. PPT – Chemistry is Explosive Chemistry I Mr. Martin Room 328 PowerPoint presentation | free to view - id: 1ff713-ZDc1Z. PROPERTIES OF EXPLOSIVES Definition An explosive is a material, cither a pure single substance or a mixture of substances, which is capable of producing an ex-plosion by its own energy. Learn new and interesting things. accompanied by the production of light, heat, (1981).LLNL Explosives Handbook: Properties of Chemical Explosives and Explosive Simulants. 1. Rolex Enterprises, Mumbai, Blasting Machines, No public clipboards found for this slide. Urbanski, T. Chemistry and Technology of Explosives, Vol. explosion if released suddenly, usually You can change your ad preferences anytime. explosive compound was successfully identified [39]. , you agree to the use of cookies on this website, usually you change... 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